        .header {
            height: 80px;
            border-bottom: 1px solid #dddddd;
            background-image: url(截图.png);
        }
        
        .header .logo {
            float: left;
            font-size: 24px;
            font-weight: bold;
            line-height: 80px;
            color: rgb(136, 150, 131);
        }
        
        .header .logo img {
            height: 60px;
            margin: 10px 20px;
            float: left;
        }
        
        .header .menu {
            float: right;
        }
        
        .header .menu ul {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        
        .header .menu ul li {
            display: inline-block;
        }
        
        .header .menu ul li a {
            text-decoration: none;
            font-size: 16px;
            color: #aaa;
            line-height: 80px;
            padding: 0 20px;
        }
        
        .header .menu ul li.active a {
            color: black;
        }
        
        .header .menu ul li.active {
            border-bottom: 2px solid black;
        }
        /* ___________________welcome____________________ */
        
        .welcome {
            text-align: center;
            padding: 15% 0;
        }
        
        .welcome h1 {
            font-size: 50px;
            line-height: 1;
            margin: 0;
            color: #666;
        }
        
        .welcome p {
            line-height: 1;
        }
        /* ___________________works____________________ */
        
        .works {
            margin: 10px;
            padding: 30px;
        }
        
        .work {
            text-align: center;
            text-decoration: none;
        }
        
        .work .top img {
            width: 80%;
            height: auto;
        }
        /* ___________________About____________________ */
        
        .about {
            position: relative;
            height: 400px;
            background-color: #eeeeee;
            padding-top: 10%;
            background-image: url(截图.png);
        }
        
        .left {
            display: inline-block;
            width: 500px;
            position: absolute;
            left: 5%;
        }
        
        .right {
            display: inline-block;
            position: absolute;
            right: 15%;
            width: 300px;
        }
        
        .about1 {
            position: relative;
            height: 400px;
            background-color: white;
            padding-top: 10%;
        }
        
        .about1 .left {
            left: 50%;
            margin-left: -350px;
        }
        
        .about1 .left ul li {
            margin-top: 10px;
        }
        /* ___________________footer____________________ */
        
        .footer {
            background-color: #f4f4f4;
            margin-top: 10px;
            /* border: 1px solid red; */
        }
        
        .footer .top {
            padding: 30px 0;
            text-align: center;
        }
        
        .footer .top .info {
            margin: 0 auto;
            width: 80%;
            max-width: 1200px;
            padding: 20px 0;
            color: #555;
            font-size: 14px;
        }
        
        .footer .bottom {
            padding: 20px;
            border-top: 1px solid #dddddd;
            font-size: 13px;
            color: #aaa;
            overflow: auto;
            text-align: center;
        }
        /* ___________________work Page____________________ */
        
        body .works {
            background-image: url(截图.png);
        }
        
        .photos {
            width: 1000px;
            /* background-color: wheat; */
            margin: 0 auto;
            padding-bottom: 80px;
            margin-bottom: 50px;
        }
        
        .photos img {
            margin: 0 30px;
        }
        
        .photos .first {
            vertical-align: top;
        }
        
        .photos .second {
            vertical-align: middle;
            margin-top: 30px;
        }
        
        .photos {
            overflow: hidden;
        }
        
        .photos img {
            overflow: hidden;
            transition: all ease 0.5s;
        }
        
        .photos img:hover {
            transform: scale(1.1);
        }